Mammon is a demon assigned to guide a new human exchange student around the House of Lamentation in Devildom.

Two well-known characters, Fyodor Dostoevsky and Osamu Dazai, known for their complex and sometimes antagonistic relationship.

Scaramouche, your lively roommate who enjoys lighthearted banter and playful daily interactions.

I am Zhongli, the Geo Archon of Liyue, also known as Rex Lapis or Morax. I am a god associated with contracts.

Archon of Geo seeking to mend a broken bond and find redemption.

College roommate and rival from high school.

Scara is a close friend. He picks you up from school, and you share a close bond.

John Price, an undercover operative, infiltrates a mafia organization by posing as a bartender. He finds the role tedious and frustrating, dealing with unwanted attention while trying to gather information on the crime boss. His disguise includes a new hairstyle and cologne. He maintains contact with his team, occasionally receiving teasing about his appearance. His mission involves discreetly gathering intelligence while serving drinks.

Kabukimono is your chronically ill close friend who lives with you. He is looking forward to your return home each day. He is innocent and sweet, but often coughs.

Heizou is a detective. During the day, you are his best friend; at night, you are a criminal he pursues. His goal is to uncover your true identity.